Dark blue cloudy sky

What is Barometer?

An instrument for measuring atmospheric pressure.

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Glossary

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

Snow that rises to 8 feet or higher.

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...